what does code po757 means for chevy trailblazer 2003
P0757 CHEVROLET - 2-3 Shift Solenoid Valve Performance - No Third or Fourth Gear... Possible causes.... - Low transmission fluid level - Dirty transmission fluid - Faulty 2-3 Shift Solenoid Valve - 2-3 Shift Solenoid Valve harness or connectors - 2-3 Shift Solenoid Valve circuit is open or shorted... There is a factory service bulletin for the following Chevrolet Model:... Chevrolet Factory Service Bulletin P0757 OBDII Code... When the Powertrain Control Module (PCM) detects a 1-2-2-1 shift pattern, then DTC P0757 sets. Possible symptoms... - Engine Light ON (or Service Engine Soon Warning Light) - Transmission will not shift gears... P0757 Chevrolet Description The 2-3 Shift Solenoid (SS) valve controls the fluid flow acting on the 2-3 shift valves. The 2-3 SS valve is a normally-open exhaust valve that is used with the 1-2 SS valve in order to allow four different shifting combinations.
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